Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1 | //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 0bc735f | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines the Sema class, which performs semantic analysis and |
| 11 | // builds ASTs. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_CLANG_AST_SEMA_H |
| 16 | #define LLVM_CLANG_AST_SEMA_H |
| 17 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 18 | #include "IdentifierResolver.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 19 | #include "CXXFieldCollector.h" |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 20 | #include "SemaOverload.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 21 | #include "clang/Parse/Action.h" |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 22 | #include "llvm/ADT/SmallVector.h" |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 23 | #include "llvm/ADT/DenseSet.h" |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 24 | #include "llvm/ADT/SmallPtrSet.h" |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 25 | #include "llvm/ADT/OwningPtr.h" |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 26 | #include <string> |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 27 | #include <vector> |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 28 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 29 | namespace llvm { |
| 30 | class APSInt; |
| 31 | } |
| 32 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 33 | namespace clang { |
| 34 | class ASTContext; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 35 | class ASTConsumer; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 36 | class Preprocessor; |
| 37 | class Decl; |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 38 | class DeclContext; |
Daniel Dunbar | 12bc692 | 2008-08-11 03:27:53 +0000 | [diff] [blame] | 39 | class DeclSpec; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 40 | class NamedDecl; |
Steve Naroff | c752d04 | 2007-09-13 18:10:37 +0000 | [diff] [blame] | 41 | class ScopedDecl; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 42 | class Expr; |
Steve Naroff | 6f9f307 | 2007-09-02 15:34:30 +0000 | [diff] [blame] | 43 | class InitListExpr; |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 44 | class CallExpr; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 45 | class VarDecl; |
| 46 | class ParmVarDecl; |
| 47 | class TypedefDecl; |
| 48 | class FunctionDecl; |
| 49 | class QualType; |
Chris Lattner | 701e5eb | 2007-09-04 02:45:27 +0000 | [diff] [blame] | 50 | struct LangOptions; |
Chris Lattner | d217773 | 2007-07-20 16:59:19 +0000 | [diff] [blame] | 51 | class Token; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 52 | class IntegerLiteral; |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 53 | class StringLiteral; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 54 | class ArrayType; |
| 55 | class LabelStmt; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 56 | class SwitchStmt; |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 57 | class ExtVectorType; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 58 | class TypedefDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 59 | class ObjCInterfaceDecl; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 60 | class ObjCCompatibleAliasDecl; |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 61 | class ObjCProtocolDecl; |
| 62 | class ObjCImplementationDecl; |
| 63 | class ObjCCategoryImplDecl; |
| 64 | class ObjCCategoryDecl; |
| 65 | class ObjCIvarDecl; |
| 66 | class ObjCMethodDecl; |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 67 | class ObjCPropertyDecl; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 68 | struct BlockSemaInfo; |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 69 | class BasePaths; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 70 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 71 | /// PragmaPackStack - Simple class to wrap the stack used by #pragma |
| 72 | /// pack. |
| 73 | class PragmaPackStack { |
| 74 | typedef std::vector< std::pair<unsigned, std::string> > stack_ty; |
| 75 | |
| 76 | /// Alignment - The current user specified alignment. |
| 77 | unsigned Alignment; |
| 78 | |
| 79 | /// Stack - Entries in the #pragma pack stack. |
| 80 | stack_ty Stack; |
| 81 | |
| 82 | public: |
| 83 | PragmaPackStack(unsigned A) : Alignment(A) {} |
| 84 | |
| 85 | void setAlignment(unsigned A) { Alignment = A; } |
| 86 | unsigned getAlignment() { return Alignment; } |
| 87 | |
| 88 | /// push - Push the current alignment onto the stack, optionally |
| 89 | /// using the given \arg Name for the record, if non-zero, |
| 90 | void push(IdentifierInfo *Name) { |
| 91 | Stack.push_back(std::make_pair(Alignment, |
| 92 | std::string(Name ? Name->getName() : ""))); |
| 93 | } |
| 94 | |
| 95 | /// pop - Pop a record from the stack and restore the current |
| 96 | /// alignment to the previous value. If \arg Name is non-zero then |
| 97 | /// the first such named record is popped, otherwise the top record |
| 98 | /// is popped. Returns true if the pop succeeded. |
| 99 | bool pop(IdentifierInfo *Name); |
| 100 | }; |
| 101 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 102 | /// Sema - This implements semantic analysis and AST building for C. |
| 103 | class Sema : public Action { |
Chris Lattner | 0b2f4da | 2008-06-29 00:28:59 +0000 | [diff] [blame] | 104 | public: |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 105 | Preprocessor &PP; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 106 | ASTContext &Context; |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 107 | ASTConsumer &Consumer; |
Steve Naroff | 0330071 | 2007-11-12 13:56:41 +0000 | [diff] [blame] | 108 | |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 109 | /// CurContext - This is the current declaration context of parsing. |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 110 | DeclContext *CurContext; |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 111 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame^] | 112 | /// LexicalFileContext - The current lexical file declaration context, |
| 113 | /// the translation unit or a namespace. |
| 114 | DeclContext *LexicalFileContext; |
| 115 | |
| 116 | /// PreDeclaratorDC - Keeps the declaration context before switching to the |
| 117 | /// context of a declarator's nested-name-specifier. |
| 118 | DeclContext *PreDeclaratorDC; |
| 119 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 120 | /// CurBlock - If inside of a block definition, this contains a pointer to |
| 121 | /// the active block object that represents it. |
| 122 | BlockSemaInfo *CurBlock; |
| 123 | |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 124 | /// PackContext - Manages the stack for #pragma pack. An alignment |
| 125 | /// of 0 indicates default alignment. |
| 126 | PragmaPackStack PackContext; |
| 127 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 128 | /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| 129 | /// it (which acts like the label decl in some ways). Forward referenced |
| 130 | /// labels have a LabelStmt created for them with a null location & SubStmt. |
| 131 | llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
Anders Carlsson | c1fcb77 | 2007-07-22 07:07:56 +0000 | [diff] [blame] | 132 | |
| 133 | llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 134 | |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 135 | /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| 136 | /// us to associate a raw vector type with one of the ext_vector type names. |
Steve Naroff | bea0b34 | 2007-07-29 16:33:31 +0000 | [diff] [blame] | 137 | /// This is only necessary for issuing pretty diagnostics. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 138 | llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 139 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 140 | /// ObjCImplementations - Keep track of all class @implementations |
| 141 | /// so we can emit errors on duplicates. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 142 | llvm::DenseMap<IdentifierInfo*, ObjCImplementationDecl*> ObjCImplementations; |
Chris Lattner | f387668 | 2007-10-07 01:13:46 +0000 | [diff] [blame] | 143 | |
Steve Naroff | e84a864 | 2008-09-28 14:55:53 +0000 | [diff] [blame] | 144 | /// ObjCCategoryImpls - Maintain a list of category implementations so |
| 145 | /// we can check for duplicates and find local method declarations. |
| 146 | llvm::SmallVector<ObjCCategoryImplDecl*, 8> ObjCCategoryImpls; |
| 147 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 148 | /// ObjCProtocols - Keep track of all protocol declarations declared |
Fariborz Jahanian | 05672a0 | 2007-10-09 18:03:53 +0000 | [diff] [blame] | 149 | /// with @protocol keyword, so that we can emit errors on duplicates and |
Chris Lattner | 4de884d | 2007-10-09 18:18:24 +0000 | [diff] [blame] | 150 | /// find the declarations when needed. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 151 | llvm::DenseMap<IdentifierInfo*, ObjCProtocolDecl*> ObjCProtocols; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 152 | |
| 153 | /// ObjCInterfaceDecls - Keep track of all class declarations declared |
| 154 | /// with @interface, so that we can emit errors on duplicates and |
| 155 | /// find the declarations when needed. |
| 156 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 157 | ObjCInterfaceDecl*> ObjCInterfaceDeclsTy; |
| 158 | ObjCInterfaceDeclsTy ObjCInterfaceDecls; |
| 159 | |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 160 | /// ObjCAliasDecls - Keep track of all class declarations declared |
| 161 | /// with @compatibility_alias, so that we can emit errors on duplicates and |
| 162 | /// find the declarations when needed. This construct is ancient and will |
| 163 | /// likely never be seen. Nevertheless, it is here for compatibility. |
Steve Naroff | c822ff4 | 2008-04-02 00:39:51 +0000 | [diff] [blame] | 164 | typedef llvm::DenseMap<const IdentifierInfo*, |
| 165 | ObjCCompatibleAliasDecl*> ObjCAliasTy; |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 166 | ObjCAliasTy ObjCAliasDecls; |
Steve Naroff | 3110251 | 2008-04-02 18:30:49 +0000 | [diff] [blame] | 167 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 168 | /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| 169 | llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| 170 | |
Chris Lattner | 7f925cc | 2008-04-11 07:00:53 +0000 | [diff] [blame] | 171 | IdentifierResolver IdResolver; |
| 172 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 173 | // Enum values used by KnownFunctionIDs (see below). |
| 174 | enum { |
Ted Kremenek | 7ff22b2 | 2008-06-16 18:00:42 +0000 | [diff] [blame] | 175 | id_NSLog, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 176 | id_asprintf, |
| 177 | id_fprintf, |
| 178 | id_printf, |
| 179 | id_snprintf, |
| 180 | id_snprintf_chk, |
| 181 | id_sprintf, |
| 182 | id_sprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 183 | id_vasprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 184 | id_vfprintf, |
| 185 | id_vsnprintf, |
| 186 | id_vsnprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 187 | id_vsprintf, |
Daniel Dunbar | de45428 | 2008-10-02 18:44:07 +0000 | [diff] [blame] | 188 | id_vsprintf_chk, |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 189 | id_vprintf, |
| 190 | id_num_known_functions |
| 191 | }; |
| 192 | |
| 193 | /// KnownFunctionIDs - This is a list of IdentifierInfo objects to a set |
| 194 | /// of known functions used by the semantic analysis to do various |
| 195 | /// kinds of checking (e.g. checking format string errors in printf calls). |
| 196 | /// This list is populated upon the creation of a Sema object. |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 197 | IdentifierInfo* KnownFunctionIDs[id_num_known_functions]; |
Daniel Dunbar | 662e8b5 | 2008-08-14 22:04:54 +0000 | [diff] [blame] | 198 | |
| 199 | /// SuperID - Identifier for "super" used for Objective-C checking. |
| 200 | IdentifierInfo* SuperID; |
| 201 | |
Steve Naroff | 2b255c4 | 2008-09-09 14:32:20 +0000 | [diff] [blame] | 202 | /// Identifiers for builtin ObjC typedef names. |
| 203 | IdentifierInfo *Ident_id, *Ident_Class; // "id", "Class" |
| 204 | IdentifierInfo *Ident_SEL, *Ident_Protocol; // "SEL", "Protocol" |
| 205 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 206 | /// Translation Unit Scope - useful to Objective-C actions that need |
| 207 | /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| 208 | /// For example, user-defined classes, built-in "id" type, etc. |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 209 | Scope *TUScope; |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 210 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 211 | /// ObjCMethodList - a linked list of methods with different signatures. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 212 | struct ObjCMethodList { |
| 213 | ObjCMethodDecl *Method; |
| 214 | ObjCMethodList *Next; |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 215 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 216 | ObjCMethodList() { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 217 | Method = 0; |
| 218 | Next = 0; |
| 219 | } |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 220 | ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 221 | Method = M; |
| 222 | Next = C; |
| 223 | } |
| 224 | }; |
| 225 | /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| 226 | /// messages to "id". We need to maintain a list, since selectors can have |
| 227 | /// differing signatures across classes. In Cocoa, this happens to be |
| 228 | /// extremely uncommon (only 1% of selectors are "overloaded"). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 229 | llvm::DenseMap<Selector, ObjCMethodList> InstanceMethodPool; |
| 230 | llvm::DenseMap<Selector, ObjCMethodList> FactoryMethodPool; |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 231 | public: |
Chris Lattner | 2ae34ed | 2008-02-06 00:46:58 +0000 | [diff] [blame] | 232 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 233 | |
| 234 | const LangOptions &getLangOptions() const; |
| 235 | |
| 236 | /// The primitive diagnostic helpers - always returns true, which simplifies |
| 237 | /// error handling (i.e. less code). |
| 238 | bool Diag(SourceLocation Loc, unsigned DiagID); |
| 239 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg); |
| 240 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| 241 | const std::string &Msg2); |
| 242 | |
| 243 | /// More expressive diagnostic helpers for expressions (say that 6 times:-) |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 244 | bool Diag(SourceLocation Loc, unsigned DiagID, const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 245 | bool Diag(SourceLocation Loc, unsigned DiagID, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 246 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 247 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 248 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 249 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 250 | const SourceRange& R1, const SourceRange& R2); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 251 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 252 | const std::string &Msg2, const SourceRange& R1); |
Chris Lattner | 4667ac3 | 2008-01-03 23:38:43 +0000 | [diff] [blame] | 253 | bool Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 254 | const std::string &Msg2, const std::string &Msg3, |
| 255 | const SourceRange& R1); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 256 | bool Diag(SourceLocation Loc, unsigned DiagID, |
| 257 | const std::string &Msg1, const std::string &Msg2, |
Argyrios Kyrtzidis | a88b509 | 2008-08-24 13:14:02 +0000 | [diff] [blame] | 258 | const SourceRange& R1, const SourceRange& R2); |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 259 | |
Chris Lattner | 394a3fd | 2007-08-31 04:53:24 +0000 | [diff] [blame] | 260 | virtual void DeleteExpr(ExprTy *E); |
| 261 | virtual void DeleteStmt(StmtTy *S); |
| 262 | |
Chris Lattner | 9299f3f | 2008-08-23 03:19:52 +0000 | [diff] [blame] | 263 | virtual void ActOnEndOfTranslationUnit(); |
| 264 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 265 | //===--------------------------------------------------------------------===// |
| 266 | // Type Analysis / Processing: SemaType.cpp. |
| 267 | // |
Chris Lattner | fca0ddd | 2008-06-26 06:27:57 +0000 | [diff] [blame] | 268 | QualType ConvertDeclSpecToType(const DeclSpec &DS); |
Chris Lattner | c9b346d | 2008-06-29 00:50:08 +0000 | [diff] [blame] | 269 | void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 270 | QualType GetTypeForDeclarator(Declarator &D, Scope *S); |
| 271 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 272 | QualType ObjCGetTypeForMethodDefinition(DeclTy *D); |
Fariborz Jahanian | 306d68f | 2007-11-08 23:49:49 +0000 | [diff] [blame] | 273 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 274 | bool UnwrapSimilarPointerTypes(QualType& T1, QualType& T2); |
| 275 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 276 | virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 277 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 278 | //===--------------------------------------------------------------------===// |
| 279 | // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| 280 | // |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 281 | virtual TypeTy *isTypeName(const IdentifierInfo &II, Scope *S, |
| 282 | const CXXScopeSpec *SS); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 283 | virtual std::string getTypeAsString(TypeTy *Type); |
Daniel Dunbar | 914701e | 2008-08-05 16:28:08 +0000 | [diff] [blame] | 284 | virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, DeclTy *LastInGroup); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 285 | virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D); |
| 286 | virtual void ActOnParamDefaultArgument(DeclTy *param, |
| 287 | SourceLocation EqualLoc, |
| 288 | ExprTy *defarg); |
Steve Naroff | bb20469 | 2007-09-12 14:07:44 +0000 | [diff] [blame] | 289 | void AddInitializerToDecl(DeclTy *dcl, ExprTy *init); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 290 | void ActOnUninitializedDecl(DeclTy *dcl); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 291 | virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group); |
| 292 | |
Chris Lattner | b652cea | 2007-10-09 17:14:05 +0000 | [diff] [blame] | 293 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 294 | virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 295 | virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D); |
Steve Naroff | d6d054d | 2007-11-11 23:20:51 +0000 | [diff] [blame] | 296 | |
| 297 | virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body); |
Chris Lattner | c6fdc34 | 2008-01-12 07:05:38 +0000 | [diff] [blame] | 298 | virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 299 | SourceLocation RBrace, const char *Lang, |
| 300 | unsigned StrSize, DeclTy *D); |
Anders Carlsson | dfab6cb | 2008-02-08 00:33:21 +0000 | [diff] [blame] | 301 | virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprTy *expr); |
| 302 | |
Steve Naroff | b216c88 | 2007-10-09 22:01:59 +0000 | [diff] [blame] | 303 | /// Scope actions. |
| 304 | virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| 305 | virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 306 | |
| 307 | /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| 308 | /// no declarator (e.g. "struct foo;") is parsed. |
| 309 | virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| 310 | |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 311 | virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 312 | SourceLocation KWLoc, const CXXScopeSpec &SS, |
| 313 | IdentifierInfo *Name, SourceLocation NameLoc, |
| 314 | AttributeList *Attr); |
Ted Kremenek | 4b7c983 | 2008-09-05 17:16:31 +0000 | [diff] [blame] | 315 | |
| 316 | DeclTy* ActOnTagStruct(Scope *S, TagDecl::TagKind Kind, TagKind TK, |
| 317 | SourceLocation KWLoc, IdentifierInfo *Name, |
| 318 | SourceLocation NameLoc, AttributeList *Attr); |
| 319 | |
Chris Lattner | 06f5485 | 2008-08-23 02:00:52 +0000 | [diff] [blame] | 320 | virtual void ActOnDefs(Scope *S, SourceLocation DeclStart, |
| 321 | IdentifierInfo *ClassName, |
| 322 | llvm::SmallVectorImpl<DeclTy*> &Decls); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 323 | virtual DeclTy *ActOnField(Scope *S, SourceLocation DeclStart, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 324 | Declarator &D, ExprTy *BitfieldWidth); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 325 | |
| 326 | virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| 327 | Declarator &D, ExprTy *BitfieldWidth, |
Fariborz Jahanian | 45bc03f | 2008-04-11 16:55:42 +0000 | [diff] [blame] | 328 | tok::ObjCKeywordKind visibility); |
Fariborz Jahanian | 1d78cc4 | 2008-04-10 23:32:45 +0000 | [diff] [blame] | 329 | |
Steve Naroff | f13271f | 2007-09-14 23:09:53 +0000 | [diff] [blame] | 330 | // This is used for both record definitions and ObjC interface declarations. |
Fariborz Jahanian | 9d048ff | 2007-09-29 00:54:24 +0000 | [diff] [blame] | 331 | virtual void ActOnFields(Scope* S, |
Steve Naroff | 60fccee | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 332 | SourceLocation RecLoc, DeclTy *TagDecl, |
| 333 | DeclTy **Fields, unsigned NumFields, |
Daniel Dunbar | 1bfe1c2 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 334 | SourceLocation LBrac, SourceLocation RBrac, |
| 335 | AttributeList *AttrList); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 336 | virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 337 | DeclTy *LastEnumConstant, |
| 338 | SourceLocation IdLoc, IdentifierInfo *Id, |
| 339 | SourceLocation EqualLoc, ExprTy *Val); |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 340 | virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 341 | DeclTy **Elements, unsigned NumElements); |
Sebastian Redl | 37d6de3 | 2008-11-08 13:00:26 +0000 | [diff] [blame] | 342 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame^] | 343 | DeclContext *getContainingDC(DeclContext *DC); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 344 | |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 345 | /// Set the current declaration context until it gets popped. |
Chris Lattner | 9fdf9c6 | 2008-04-22 18:39:57 +0000 | [diff] [blame] | 346 | void PushDeclContext(DeclContext *DC); |
Chris Lattner | b048c98 | 2008-04-06 04:47:34 +0000 | [diff] [blame] | 347 | void PopDeclContext(); |
Argyrios Kyrtzidis | 53d0ea5 | 2008-06-28 06:07:14 +0000 | [diff] [blame] | 348 | |
| 349 | /// CurFunctionDecl - If inside of a function body, this returns a pointer to |
| 350 | /// the function decl for the function being parsed. |
| 351 | FunctionDecl *getCurFunctionDecl() { |
| 352 | return dyn_cast<FunctionDecl>(CurContext); |
| 353 | } |
| 354 | |
| 355 | /// CurMethodDecl - If inside of a method body, this returns a pointer to |
| 356 | /// the method decl for the method being parsed. |
Daniel Dunbar | c4a1dea | 2008-08-11 05:35:13 +0000 | [diff] [blame] | 357 | ObjCMethodDecl *getCurMethodDecl(); |
Chris Lattner | 0ed844b | 2008-04-04 06:12:32 +0000 | [diff] [blame] | 358 | |
Argyrios Kyrtzidis | 87f3ff0 | 2008-04-12 00:47:19 +0000 | [diff] [blame] | 359 | /// Add this decl to the scope shadowed decl chains. |
| 360 | void PushOnScopeChains(NamedDecl *D, Scope *S); |
| 361 | |
Argyrios Kyrtzidis | 15a12d0 | 2008-09-09 21:18:04 +0000 | [diff] [blame] | 362 | /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| 363 | /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| 364 | /// true if 'D' belongs to the given declaration context. |
| 365 | bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0) { |
| 366 | return IdResolver.isDeclInScope(D, Ctx, S); |
| 367 | } |
| 368 | |
Chris Lattner | f1d705c | 2008-02-21 01:07:18 +0000 | [diff] [blame] | 369 | /// Subroutines of ActOnDeclarator(). |
Chris Lattner | 41af093 | 2007-11-14 06:34:38 +0000 | [diff] [blame] | 370 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| 371 | ScopedDecl *LastDecl); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 372 | TypedefDecl *MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
Douglas Gregor | f009795 | 2008-04-21 02:02:58 +0000 | [diff] [blame] | 373 | FunctionDecl *MergeFunctionDecl(FunctionDecl *New, Decl *Old, |
| 374 | bool &Redeclaration); |
Steve Naroff | e8043c3 | 2008-04-01 23:04:06 +0000 | [diff] [blame] | 375 | VarDecl *MergeVarDecl(VarDecl *New, Decl *Old); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 376 | FunctionDecl *MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
Steve Naroff | ff9eb1f | 2008-08-08 17:50:35 +0000 | [diff] [blame] | 377 | void CheckForFileScopedRedefinitions(Scope *S, VarDecl *VD); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 378 | |
| 379 | /// C++ Overloading. |
| 380 | bool IsOverload(FunctionDecl *New, Decl* OldD, |
| 381 | OverloadedFunctionDecl::function_iterator &MatchedDecl); |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 382 | ImplicitConversionSequence |
| 383 | TryImplicitConversion(Expr* From, QualType ToType, |
| 384 | bool SuppressUserConversions = false); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 385 | bool IsStandardConversion(Expr *From, QualType ToType, |
| 386 | StandardConversionSequence& SCS); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 387 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| 388 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| 389 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| 390 | QualType& ConvertedType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 391 | bool CheckPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 98cd599 | 2008-10-21 23:43:52 +0000 | [diff] [blame] | 392 | bool IsQualificationConversion(QualType FromType, QualType ToType); |
Douglas Gregor | 60d62c2 | 2008-10-31 16:23:19 +0000 | [diff] [blame] | 393 | bool IsUserDefinedConversion(Expr *From, QualType ToType, |
| 394 | UserDefinedConversionSequence& User); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 395 | |
| 396 | ImplicitConversionSequence::CompareKind |
| 397 | CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| 398 | const ImplicitConversionSequence& ICS2); |
| 399 | |
| 400 | ImplicitConversionSequence::CompareKind |
| 401 | CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| 402 | const StandardConversionSequence& SCS2); |
| 403 | |
Douglas Gregor | 5737326 | 2008-10-22 14:17:15 +0000 | [diff] [blame] | 404 | ImplicitConversionSequence::CompareKind |
| 405 | CompareQualificationConversions(const StandardConversionSequence& SCS1, |
| 406 | const StandardConversionSequence& SCS2); |
| 407 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 408 | ImplicitConversionSequence::CompareKind |
| 409 | CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1, |
| 410 | const StandardConversionSequence& SCS2); |
| 411 | |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 412 | ImplicitConversionSequence |
| 413 | TryCopyInitialization(Expr* From, QualType ToType, |
| 414 | bool SuppressUserConversions = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 415 | bool PerformCopyInitialization(Expr *&From, QualType ToType, |
| 416 | const char *Flavor); |
| 417 | |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 418 | /// OverloadingResult - Capture the result of performing overload |
| 419 | /// resolution. |
| 420 | enum OverloadingResult { |
| 421 | OR_Success, ///< Overload resolution succeeded. |
| 422 | OR_No_Viable_Function, ///< No viable function found. |
| 423 | OR_Ambiguous ///< Ambiguous candidates found. |
| 424 | }; |
| 425 | |
| 426 | void AddOverloadCandidate(FunctionDecl *Function, |
| 427 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 428 | OverloadCandidateSet& CandidateSet, |
| 429 | bool SuppressUserConversions = false); |
Douglas Gregor | f1991ea | 2008-11-07 22:36:19 +0000 | [diff] [blame] | 430 | void AddConversionCandidate(CXXConversionDecl *Conversion, |
| 431 | Expr *From, QualType ToType, |
| 432 | OverloadCandidateSet& CandidateSet); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 433 | void AddOverloadCandidates(const OverloadedFunctionDecl *Ovl, |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 434 | Expr **Args, unsigned NumArgs, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 435 | OverloadCandidateSet& CandidateSet, |
| 436 | bool SuppressUserConversions = false); |
Douglas Gregor | 8e9bebd | 2008-10-21 16:13:35 +0000 | [diff] [blame] | 437 | bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| 438 | const OverloadCandidate& Cand2); |
| 439 | OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
| 440 | OverloadCandidateSet::iterator& Best); |
| 441 | void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| 442 | bool OnlyViable); |
| 443 | |
| 444 | |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 445 | /// Helpers for dealing with function parameters |
| 446 | bool CheckParmsForFunctionDef(FunctionDecl *FD); |
Chris Lattner | 0442108 | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 447 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
Douglas Gregor | 6d6eb57 | 2008-05-07 04:49:29 +0000 | [diff] [blame] | 448 | void CheckExtraCXXDefaultArguments(Declarator &D); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 449 | |
| 450 | /// More parsing and symbol table subroutines... |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 451 | Decl *LookupDecl(const IdentifierInfo *II, unsigned NSI, Scope *S, |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame^] | 452 | DeclContext *LookupCtx = 0, |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 453 | bool enableLazyBuiltinCreation = true); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 454 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
Steve Naroff | b327ce0 | 2008-04-02 14:35:35 +0000 | [diff] [blame] | 455 | ScopedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| 456 | Scope *S); |
Steve Naroff | 8c9f13e | 2007-09-16 16:16:00 +0000 | [diff] [blame] | 457 | ScopedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 458 | Scope *S); |
| 459 | // Decl attributes - this routine is the top level dispatcher. |
Chris Lattner | e5c5ee1 | 2008-06-29 00:16:31 +0000 | [diff] [blame] | 460 | void ProcessDeclAttributes(Decl *D, const Declarator &PD); |
Chris Lattner | f2e4bd5 | 2008-06-28 23:58:55 +0000 | [diff] [blame] | 461 | void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList); |
Christopher Lamb | ebb97e9 | 2008-02-04 02:31:56 +0000 | [diff] [blame] | 462 | |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 463 | void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| 464 | bool &IncompleteImpl); |
| 465 | |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 466 | /// CheckProtocolMethodDefs - This routine checks unimpletented |
| 467 | /// methods declared in protocol, and those referenced by it. |
| 468 | /// \param IDecl - Used for checking for methods which may have been |
| 469 | /// inherited. |
Steve Naroff | efe7f36 | 2008-02-08 22:06:17 +0000 | [diff] [blame] | 470 | void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| 471 | ObjCProtocolDecl *PDecl, |
Fariborz Jahanian | ca3adf7 | 2007-10-02 20:06:01 +0000 | [diff] [blame] | 472 | bool& IncompleteImpl, |
Steve Naroff | eefc418 | 2007-10-08 21:05:34 +0000 | [diff] [blame] | 473 | const llvm::DenseSet<Selector> &InsMap, |
Daniel Dunbar | 7ad1b1f | 2008-09-04 20:01:15 +0000 | [diff] [blame] | 474 | const llvm::DenseSet<Selector> &ClsMap, |
| 475 | ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 476 | |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 477 | /// CheckImplementationIvars - This routine checks if the instance variables |
| 478 | /// listed in the implelementation match those listed in the interface. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 479 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| 480 | ObjCIvarDecl **Fields, unsigned nIvars, |
Steve Naroff | 3c2eb66 | 2008-02-10 21:38:56 +0000 | [diff] [blame] | 481 | SourceLocation Loc); |
Steve Naroff | a5997c4 | 2007-10-02 21:43:37 +0000 | [diff] [blame] | 482 | |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 483 | /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| 484 | /// remains unimplemented in the @implementation class. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 485 | void ImplMethodsVsClassMethods(ObjCImplementationDecl* IMPDecl, |
| 486 | ObjCInterfaceDecl* IDecl); |
Fariborz Jahanian | 8c74fa4 | 2007-09-29 17:14:55 +0000 | [diff] [blame] | 487 | |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 488 | /// ImplCategoryMethodsVsIntfMethods - Checks that methods declared in the |
| 489 | /// category interface is implemented in the category @implementation. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 490 | void ImplCategoryMethodsVsIntfMethods(ObjCCategoryImplDecl *CatImplDecl, |
| 491 | ObjCCategoryDecl *CatClassDecl); |
Fariborz Jahanian | 85ff264 | 2007-10-05 18:00:57 +0000 | [diff] [blame] | 492 | /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| 493 | /// true, or false, accordingly. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 494 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
Steve Naroff | fe6b0dc | 2008-10-21 10:37:50 +0000 | [diff] [blame] | 495 | const ObjCMethodDecl *PrevMethod, |
| 496 | bool matchBasedOnSizeAndAlignment = false); |
Steve Naroff | 3b95017 | 2007-10-10 21:53:07 +0000 | [diff] [blame] | 497 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 498 | /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| 499 | /// unit are added to a global pool. This allows us to efficiently associate |
| 500 | /// a selector with a method declaraation for purposes of typechecking |
| 501 | /// messages sent to "id" (where the class of the object is unknown). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 502 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 503 | |
Steve Naroff | 037cda5 | 2008-09-30 14:38:43 +0000 | [diff] [blame] | 504 | /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| 505 | /// there are multiple signatures. |
| 506 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R); |
| 507 | |
Steve Naroff | 58ff9e8 | 2007-10-14 00:58:41 +0000 | [diff] [blame] | 508 | /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 509 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 510 | //===--------------------------------------------------------------------===// |
| 511 | // Statement Parsing Callbacks: SemaStmt.cpp. |
| 512 | public: |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 513 | virtual StmtResult ActOnExprStmt(ExprTy *Expr); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 514 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 515 | virtual StmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| 516 | virtual StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
Chris Lattner | 98414c1 | 2007-08-31 21:49:55 +0000 | [diff] [blame] | 517 | StmtTy **Elts, unsigned NumElts, |
| 518 | bool isStmtExpr); |
Chris Lattner | 81c018d | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 519 | virtual StmtResult ActOnDeclStmt(DeclTy *Decl, SourceLocation StartLoc, |
| 520 | SourceLocation EndLoc); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 521 | virtual StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprTy *LHSVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 522 | SourceLocation DotDotDotLoc, ExprTy *RHSVal, |
| 523 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 524 | virtual StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
Chris Lattner | 6c36be5 | 2007-07-18 02:28:47 +0000 | [diff] [blame] | 525 | SourceLocation ColonLoc, StmtTy *SubStmt, |
| 526 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 527 | virtual StmtResult ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 528 | SourceLocation ColonLoc, StmtTy *SubStmt); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 529 | virtual StmtResult ActOnIfStmt(SourceLocation IfLoc, ExprTy *CondVal, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 530 | StmtTy *ThenVal, SourceLocation ElseLoc, |
| 531 | StmtTy *ElseVal); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 532 | virtual StmtResult ActOnStartOfSwitchStmt(ExprTy *Cond); |
Chris Lattner | 8599426 | 2007-10-05 20:15:24 +0000 | [diff] [blame] | 533 | virtual StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| 534 | StmtTy *Switch, ExprTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 535 | virtual StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ExprTy *Cond, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 536 | StmtTy *Body); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 537 | virtual StmtResult ActOnDoStmt(SourceLocation DoLoc, StmtTy *Body, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 538 | SourceLocation WhileLoc, ExprTy *Cond); |
| 539 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 540 | virtual StmtResult ActOnForStmt(SourceLocation ForLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 541 | SourceLocation LParenLoc, |
| 542 | StmtTy *First, ExprTy *Second, ExprTy *Third, |
| 543 | SourceLocation RParenLoc, StmtTy *Body); |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 544 | virtual StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
Fariborz Jahanian | 3ba5a0f | 2008-01-03 17:55:25 +0000 | [diff] [blame] | 545 | SourceLocation LParenLoc, |
| 546 | StmtTy *First, ExprTy *Second, |
| 547 | SourceLocation RParenLoc, StmtTy *Body); |
| 548 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 549 | virtual StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 550 | SourceLocation LabelLoc, |
| 551 | IdentifierInfo *LabelII); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 552 | virtual StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 553 | SourceLocation StarLoc, |
| 554 | ExprTy *DestExp); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 555 | virtual StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 556 | Scope *CurScope); |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 557 | virtual StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 558 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 559 | virtual StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 560 | ExprTy *RetValExp); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 561 | StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 562 | |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 563 | virtual StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
Anders Carlsson | dfab34a | 2008-02-05 23:03:50 +0000 | [diff] [blame] | 564 | bool IsSimple, |
Anders Carlsson | 39c47b5 | 2007-11-23 23:12:25 +0000 | [diff] [blame] | 565 | bool IsVolatile, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 566 | unsigned NumOutputs, |
| 567 | unsigned NumInputs, |
| 568 | std::string *Names, |
| 569 | ExprTy **Constraints, |
| 570 | ExprTy **Exprs, |
Anders Carlsson | 6a0ef4b | 2007-11-20 19:21:03 +0000 | [diff] [blame] | 571 | ExprTy *AsmString, |
Anders Carlsson | b235fc2 | 2007-11-22 01:36:19 +0000 | [diff] [blame] | 572 | unsigned NumClobbers, |
| 573 | ExprTy **Clobbers, |
Chris Lattner | fe79595 | 2007-10-29 04:04:16 +0000 | [diff] [blame] | 574 | SourceLocation RParenLoc); |
| 575 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 576 | virtual StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 3b1191d | 2007-11-01 23:59:59 +0000 | [diff] [blame] | 577 | SourceLocation RParen, StmtTy *Parm, |
| 578 | StmtTy *Body, StmtTy *CatchList); |
| 579 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 580 | virtual StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 161a9c5 | 2007-11-02 00:18:53 +0000 | [diff] [blame] | 581 | StmtTy *Body); |
| 582 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 583 | virtual StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
Fariborz Jahanian | bd49a64 | 2007-11-02 15:39:31 +0000 | [diff] [blame] | 584 | StmtTy *Try, |
| 585 | StmtTy *Catch, StmtTy *Finally); |
| 586 | |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 587 | virtual StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 588 | StmtTy *Throw); |
Fariborz Jahanian | fa3ee8e | 2008-01-29 19:14:59 +0000 | [diff] [blame] | 589 | virtual StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| 590 | ExprTy *SynchExpr, |
| 591 | StmtTy *SynchBody); |
Fariborz Jahanian | 39f8f15 | 2007-11-07 02:00:49 +0000 | [diff] [blame] | 592 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 593 | //===--------------------------------------------------------------------===// |
| 594 | // Expression Parsing Callbacks: SemaExpr.cpp. |
| 595 | |
| 596 | // Primary Expressions. |
Steve Naroff | 08d92e4 | 2007-09-15 18:49:24 +0000 | [diff] [blame] | 597 | virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 598 | IdentifierInfo &II, |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 599 | bool HasTrailingLParen, |
| 600 | const CXXScopeSpec *SS = 0); |
Chris Lattner | d9f6910 | 2008-08-10 01:53:14 +0000 | [diff] [blame] | 601 | virtual ExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| 602 | tok::TokenKind Kind); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 603 | virtual ExprResult ActOnNumericConstant(const Token &); |
| 604 | virtual ExprResult ActOnCharacterConstant(const Token &); |
| 605 | virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 606 | ExprTy *Val); |
| 607 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 608 | /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 609 | /// fragments (e.g. "foo" "bar" L"baz"). |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 610 | virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 611 | |
| 612 | // Binary/Unary Operators. 'Tok' is the token for the operator. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 613 | virtual ExprResult ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 614 | ExprTy *Input); |
| 615 | virtual ExprResult |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 616 | ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 617 | SourceLocation LParenLoc, TypeTy *Ty, |
| 618 | SourceLocation RParenLoc); |
| 619 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 620 | virtual ExprResult ActOnPostfixUnaryOp(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 621 | tok::TokenKind Kind, ExprTy *Input); |
| 622 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 623 | virtual ExprResult ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 624 | ExprTy *Idx, SourceLocation RLoc); |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 625 | virtual ExprResult ActOnMemberReferenceExpr(ExprTy *Base,SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 626 | tok::TokenKind OpKind, |
| 627 | SourceLocation MemberLoc, |
| 628 | IdentifierInfo &Member); |
| 629 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 630 | /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 631 | /// This provides the location of the left/right parens and a list of comma |
| 632 | /// locations. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 633 | virtual ExprResult ActOnCallExpr(ExprTy *Fn, SourceLocation LParenLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 634 | ExprTy **Args, unsigned NumArgs, |
| 635 | SourceLocation *CommaLocs, |
| 636 | SourceLocation RParenLoc); |
| 637 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 638 | virtual ExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 639 | SourceLocation RParenLoc, ExprTy *Op); |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 640 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 641 | virtual ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, TypeTy *Ty, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 642 | SourceLocation RParenLoc, ExprTy *Op); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 643 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 644 | virtual ExprResult ActOnInitList(SourceLocation LParenLoc, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 645 | ExprTy **InitList, unsigned NumInit, |
Chris Lattner | 220ad7c | 2008-10-26 23:35:51 +0000 | [diff] [blame] | 646 | InitListDesignations &Designators, |
Steve Naroff | 4aa88f8 | 2007-07-19 01:06:55 +0000 | [diff] [blame] | 647 | SourceLocation RParenLoc); |
| 648 | |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 649 | virtual ExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| 650 | tok::TokenKind Kind, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 651 | ExprTy *LHS,ExprTy *RHS); |
Douglas Gregor | eaebc75 | 2008-11-06 23:29:22 +0000 | [diff] [blame] | 652 | ExprResult CreateBuiltinBinOp(SourceLocation TokLoc, |
| 653 | unsigned Opc, |
| 654 | Expr *lhs, Expr *rhs); |
| 655 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 656 | /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 657 | /// in the case of a the GNU conditional expr extension. |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 658 | virtual ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 659 | SourceLocation ColonLoc, |
| 660 | ExprTy *Cond, ExprTy *LHS, ExprTy *RHS); |
| 661 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 662 | /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| 663 | virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 664 | IdentifierInfo *LabelII); |
| 665 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 666 | virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 667 | SourceLocation RPLoc); // "({..})" |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 668 | |
| 669 | /// __builtin_offsetof(type, a.b[123][456].c) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 670 | virtual ExprResult ActOnBuiltinOffsetOf(SourceLocation BuiltinLoc, |
Chris Lattner | 73d0d4f | 2007-08-30 17:45:32 +0000 | [diff] [blame] | 671 | SourceLocation TypeLoc, TypeTy *Arg1, |
| 672 | OffsetOfComponent *CompPtr, |
| 673 | unsigned NumComponents, |
| 674 | SourceLocation RParenLoc); |
| 675 | |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 676 | // __builtin_types_compatible_p(type1, type2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 677 | virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d34e915 | 2007-08-01 22:05:33 +0000 | [diff] [blame] | 678 | TypeTy *arg1, TypeTy *arg2, |
| 679 | SourceLocation RPLoc); |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 680 | |
| 681 | // __builtin_choose_expr(constExpr, expr1, expr2) |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 682 | virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
Steve Naroff | d04fdd5 | 2007-08-03 21:21:27 +0000 | [diff] [blame] | 683 | ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| 684 | SourceLocation RPLoc); |
Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 685 | |
Nate Begeman | e2ce1d9 | 2008-01-17 17:46:27 +0000 | [diff] [blame] | 686 | // __builtin_overload(...) |
| 687 | virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| 688 | SourceLocation *CommaLocs, |
| 689 | SourceLocation BuiltinLoc, |
| 690 | SourceLocation RParenLoc); |
Nate Begeman | 440b456 | 2008-03-07 20:04:22 +0000 | [diff] [blame] | 691 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 692 | // __builtin_va_arg(expr, type) |
| 693 | virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| 694 | ExprTy *expr, TypeTy *type, |
| 695 | SourceLocation RPLoc); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 696 | |
| 697 | //===------------------------- "Block" Extension ------------------------===// |
| 698 | |
| 699 | /// ActOnBlockStart - This callback is invoked when a block literal is |
| 700 | /// started. |
Steve Naroff | 090276f | 2008-10-10 01:28:17 +0000 | [diff] [blame] | 701 | virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| 702 | |
| 703 | /// ActOnBlockArguments - This callback allows processing of block arguments. |
| 704 | /// If there are no arguments, this is still invoked. |
| 705 | virtual void ActOnBlockArguments(Declarator &ParamInfo); |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 706 | |
| 707 | /// ActOnBlockError - If there is an error parsing a block, this callback |
| 708 | /// is invoked to pop the information about the block from the action impl. |
| 709 | virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| 710 | |
| 711 | /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| 712 | /// literal was successfully completed. ^(int x){...} |
| 713 | virtual ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, StmtTy *Body, |
| 714 | Scope *CurScope); |
| 715 | |
Argyrios Kyrtzidis | 2d1c5d3 | 2008-04-27 13:50:30 +0000 | [diff] [blame] | 716 | // Act on C++ namespaces |
| 717 | virtual DeclTy *ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| 718 | IdentifierInfo *Ident, |
| 719 | SourceLocation LBrace); |
| 720 | virtual void ActOnFinishNamespaceDef(DeclTy *Dcl, SourceLocation RBrace); |
| 721 | |
Argyrios Kyrtzidis | 73a0d88 | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 722 | /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| 723 | /// ActOnDeclarator, when a C++ direct initializer is present. |
| 724 | /// e.g: "int x(1);" |
| 725 | virtual void AddCXXDirectInitializerToDecl(DeclTy *Dcl, |
| 726 | SourceLocation LParenLoc, |
| 727 | ExprTy **Exprs, unsigned NumExprs, |
| 728 | SourceLocation *CommaLocs, |
| 729 | SourceLocation RParenLoc); |
| 730 | |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 731 | /// InitializationKind - Represents which kind of C++ initialization |
| 732 | /// [dcl.init] a routine is to perform. |
| 733 | enum InitializationKind { |
| 734 | IK_Direct, ///< Direct initialization |
| 735 | IK_Copy, ///< Copy initialization |
| 736 | IK_Default ///< Default initialization |
| 737 | }; |
| 738 | |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 739 | CXXConstructorDecl * |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 740 | PerformInitializationByConstructor(QualType ClassType, |
| 741 | Expr **Args, unsigned NumArgs, |
| 742 | SourceLocation Loc, SourceRange Range, |
| 743 | std::string InitEntity, |
| 744 | InitializationKind Kind); |
Douglas Gregor | 18fe568 | 2008-11-03 20:45:27 +0000 | [diff] [blame] | 745 | |
Douglas Gregor | 49badde | 2008-10-27 19:41:14 +0000 | [diff] [blame] | 746 | /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
| 747 | virtual ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind, |
| 748 | SourceLocation LAngleBracketLoc, TypeTy *Ty, |
| 749 | SourceLocation RAngleBracketLoc, |
| 750 | SourceLocation LParenLoc, ExprTy *E, |
| 751 | SourceLocation RParenLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 752 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 753 | //// ActOnCXXThis - Parse 'this' pointer. |
| 754 | virtual ExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| 755 | |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 756 | /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| 757 | virtual ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 758 | tok::TokenKind Kind); |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 759 | |
Chris Lattner | 50dd289 | 2008-02-26 00:51:44 +0000 | [diff] [blame] | 760 | //// ActOnCXXThrow - Parse throw expressions. |
| 761 | virtual ExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| 762 | ExprTy *expr); |
| 763 | |
Argyrios Kyrtzidis | 987a14b | 2008-08-22 15:38:55 +0000 | [diff] [blame] | 764 | /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| 765 | /// Can be interpreted either as function-style casting ("int(x)") |
| 766 | /// or class type construction ("ClassType(x,y,z)") |
| 767 | /// or creation of a value-initialized type ("int()"). |
| 768 | virtual ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| 769 | TypeTy *TypeRep, |
| 770 | SourceLocation LParenLoc, |
| 771 | ExprTy **Exprs, |
| 772 | unsigned NumExprs, |
| 773 | SourceLocation *CommaLocs, |
| 774 | SourceLocation RParenLoc); |
| 775 | |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 776 | /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| 777 | /// C++ if/switch/while/for statement. |
| 778 | /// e.g: "if (int x = f()) {...}" |
| 779 | virtual ExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
| 780 | SourceLocation StartLoc, |
| 781 | Declarator &D, |
| 782 | SourceLocation EqualLoc, |
| 783 | ExprTy *AssignExprVal); |
| 784 | |
Argyrios Kyrtzidis | ef6e647 | 2008-11-08 17:17:31 +0000 | [diff] [blame^] | 785 | /// ActOnCXXGlobalScopeSpecifier - Return the object that represents the |
| 786 | /// global scope ('::'). |
| 787 | virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S, |
| 788 | SourceLocation CCLoc); |
| 789 | |
| 790 | /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| 791 | /// nested-name-specifier. e.g. for "foo::bar::" we parsed "foo::" and now |
| 792 | /// we want to resolve "bar::". 'SS' is empty or the previously parsed |
| 793 | /// nested-name part ("foo::"), 'IdLoc' is the source location of 'bar', |
| 794 | /// 'CCLoc' is the location of '::' and 'II' is the identifier for 'bar'. |
| 795 | /// Returns a CXXScopeTy* object representing the C++ scope. |
| 796 | virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| 797 | const CXXScopeSpec &SS, |
| 798 | SourceLocation IdLoc, |
| 799 | SourceLocation CCLoc, |
| 800 | const IdentifierInfo &II); |
| 801 | |
| 802 | /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| 803 | /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| 804 | /// After this method is called, according to [C++ 3.4.3p3], names should be |
| 805 | /// looked up in the declarator-id's scope, until the declarator is parsed and |
| 806 | /// ActOnCXXExitDeclaratorScope is called. |
| 807 | /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| 808 | virtual void ActOnCXXEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| 809 | |
| 810 | /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| 811 | /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| 812 | /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| 813 | /// Used to indicate that names should revert to being looked up in the |
| 814 | /// defining scope. |
| 815 | virtual void ActOnCXXExitDeclaratorScope(const CXXScopeSpec &SS); |
| 816 | |
Anders Carlsson | 5508518 | 2007-08-21 17:43:55 +0000 | [diff] [blame] | 817 | // ParseObjCStringLiteral - Parse Objective-C string literals. |
Chris Lattner | b3a99cd | 2007-12-12 01:04:12 +0000 | [diff] [blame] | 818 | virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| 819 | ExprTy **Strings, |
| 820 | unsigned NumStrings); |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 821 | virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
Chris Lattner | 674af95 | 2007-10-16 22:51:17 +0000 | [diff] [blame] | 822 | SourceLocation EncodeLoc, |
Anders Carlsson | f9bcf01 | 2007-08-22 15:14:15 +0000 | [diff] [blame] | 823 | SourceLocation LParenLoc, |
| 824 | TypeTy *Ty, |
| 825 | SourceLocation RParenLoc); |
| 826 | |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 827 | // ParseObjCSelectorExpression - Build selector expression for @selector |
| 828 | virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| 829 | SourceLocation AtLoc, |
Fariborz Jahanian | 2a35fa9 | 2007-10-16 23:21:02 +0000 | [diff] [blame] | 830 | SourceLocation SelLoc, |
Fariborz Jahanian | b62f681 | 2007-10-16 20:40:23 +0000 | [diff] [blame] | 831 | SourceLocation LParenLoc, |
| 832 | SourceLocation RParenLoc); |
| 833 | |
Fariborz Jahanian | 390d50a | 2007-10-17 16:58:11 +0000 | [diff] [blame] | 834 | // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| 835 | virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| 836 | SourceLocation AtLoc, |
| 837 | SourceLocation ProtoLoc, |
| 838 | SourceLocation LParenLoc, |
| 839 | SourceLocation RParenLoc); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 840 | |
| 841 | //===--------------------------------------------------------------------===// |
| 842 | // C++ Classes |
| 843 | // |
Argyrios Kyrtzidis | eb83ecd | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 844 | virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| 845 | const CXXScopeSpec *SS); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 846 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 847 | virtual void ActOnStartCXXClassDef(Scope *S, DeclTy *TagDecl, |
| 848 | SourceLocation LBrace); |
| 849 | |
| 850 | virtual DeclTy *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| 851 | Declarator &D, ExprTy *BitfieldWidth, |
| 852 | ExprTy *Init, DeclTy *LastInGroup); |
| 853 | |
Douglas Gregor | 7ad8390 | 2008-11-05 04:29:56 +0000 | [diff] [blame] | 854 | virtual MemInitResult ActOnMemInitializer(DeclTy *ConstructorD, |
| 855 | Scope *S, |
| 856 | IdentifierInfo *MemberOrBase, |
| 857 | SourceLocation IdLoc, |
| 858 | SourceLocation LParenLoc, |
| 859 | ExprTy **Args, unsigned NumArgs, |
| 860 | SourceLocation *CommaLocs, |
| 861 | SourceLocation RParenLoc); |
| 862 | |
Douglas Gregor | 396b7cd | 2008-11-03 17:51:48 +0000 | [diff] [blame] | 863 | void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| 864 | |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 865 | virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| 866 | DeclTy *TagDecl, |
| 867 | SourceLocation LBrac, |
| 868 | SourceLocation RBrac); |
| 869 | |
Argyrios Kyrtzidis | 5b7f0c8 | 2008-08-09 00:39:29 +0000 | [diff] [blame] | 870 | virtual void ActOnFinishCXXClassDef(DeclTy *TagDecl); |
Argyrios Kyrtzidis | 0795232 | 2008-07-01 10:37:29 +0000 | [diff] [blame] | 871 | |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 872 | |
| 873 | bool CheckConstructorDeclarator(Declarator &D, QualType &R, |
| 874 | FunctionDecl::StorageClass& SC); |
| 875 | bool CheckDestructorDeclarator(Declarator &D, QualType &R, |
| 876 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 877 | bool CheckConversionDeclarator(Declarator &D, QualType &R, |
| 878 | FunctionDecl::StorageClass& SC); |
Douglas Gregor | 42a552f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 879 | DeclTy *ActOnConstructorDeclarator(CXXConstructorDecl *Constructor); |
| 880 | DeclTy *ActOnDestructorDeclarator(CXXDestructorDecl *Destructor); |
Douglas Gregor | 2f1bc52 | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 881 | DeclTy *ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
Douglas Gregor | b48fe38 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 882 | |
Douglas Gregor | bc0805a | 2008-10-23 00:40:37 +0000 | [diff] [blame] | 883 | //===--------------------------------------------------------------------===// |
| 884 | // C++ Derived Classes |
| 885 | // |
| 886 | |
| 887 | /// ActOnBaseSpecifier - Parsed a base specifier |
| 888 | virtual BaseResult ActOnBaseSpecifier(DeclTy *classdecl, |
| 889 | SourceRange SpecifierRange, |
| 890 | bool Virtual, AccessSpecifier Access, |
| 891 | TypeTy *basetype, SourceLocation BaseLoc); |
| 892 | |
| 893 | virtual void ActOnBaseSpecifiers(DeclTy *ClassDecl, BaseTy **Bases, |
| 894 | unsigned NumBases); |
| 895 | |
| 896 | bool IsDerivedFrom(QualType Derived, QualType Base); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 897 | bool IsDerivedFrom(QualType Derived, QualType Base, BasePaths &Paths); |
| 898 | |
Douglas Gregor | 0575d4a | 2008-10-24 16:17:19 +0000 | [diff] [blame] | 899 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| 900 | SourceLocation Loc, SourceRange Range); |
Douglas Gregor | e37ac4f | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 901 | |
Douglas Gregor | 1cd1b1e | 2008-11-06 22:13:31 +0000 | [diff] [blame] | 902 | //===--------------------------------------------------------------------===// |
| 903 | // C++ Overloaded Operators [C++ 13.5] |
| 904 | // |
| 905 | |
| 906 | bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| 907 | |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 908 | // Objective-C declarations. |
Chris Lattner | 06036d3 | 2008-07-26 04:13:19 +0000 | [diff] [blame] | 909 | virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| 910 | IdentifierInfo *ClassName, |
| 911 | SourceLocation ClassLoc, |
| 912 | IdentifierInfo *SuperName, |
| 913 | SourceLocation SuperLoc, |
| 914 | DeclTy * const *ProtoRefs, |
| 915 | unsigned NumProtoRefs, |
| 916 | SourceLocation EndProtoLoc, |
| 917 | AttributeList *AttrList); |
Fariborz Jahanian | 243b64b | 2007-10-11 23:42:27 +0000 | [diff] [blame] | 918 | |
| 919 | virtual DeclTy *ActOnCompatiblityAlias( |
| 920 | SourceLocation AtCompatibilityAliasLoc, |
| 921 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| 922 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
Steve Naroff | 3536b44 | 2007-09-06 21:24:23 +0000 | [diff] [blame] | 923 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 924 | virtual DeclTy *ActOnStartProtocolInterface( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 925 | SourceLocation AtProtoInterfaceLoc, |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 926 | IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 927 | DeclTy * const *ProtoRefNames, unsigned NumProtoRefs, |
Daniel Dunbar | 246e70f | 2008-09-26 04:48:09 +0000 | [diff] [blame] | 928 | SourceLocation EndProtoLoc, |
| 929 | AttributeList *AttrList); |
Fariborz Jahanian | 25e077d | 2007-09-17 21:07:36 +0000 | [diff] [blame] | 930 | |
Chris Lattner | 6bd6d0b | 2008-07-26 04:07:02 +0000 | [diff] [blame] | 931 | virtual DeclTy *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| 932 | IdentifierInfo *ClassName, |
| 933 | SourceLocation ClassLoc, |
| 934 | IdentifierInfo *CategoryName, |
| 935 | SourceLocation CategoryLoc, |
| 936 | DeclTy * const *ProtoRefs, |
| 937 | unsigned NumProtoRefs, |
| 938 | SourceLocation EndProtoLoc); |
Fariborz Jahanian | fd225cc | 2007-09-18 20:26:58 +0000 | [diff] [blame] | 939 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 940 | virtual DeclTy *ActOnStartClassImplementation( |
Nate Begeman | 1abc7f6 | 2008-02-20 22:57:40 +0000 | [diff] [blame] | 941 | SourceLocation AtClassImplLoc, |
Fariborz Jahanian | ccb4f31 | 2007-09-25 18:38:09 +0000 | [diff] [blame] | 942 | IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| 943 | IdentifierInfo *SuperClassname, |
| 944 | SourceLocation SuperClassLoc); |
| 945 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 946 | virtual DeclTy *ActOnStartCategoryImplementation( |
Fariborz Jahanian | 8f3fde0 | 2007-10-02 16:38:50 +0000 | [diff] [blame] | 947 | SourceLocation AtCatImplLoc, |
| 948 | IdentifierInfo *ClassName, |
| 949 | SourceLocation ClassLoc, |
| 950 | IdentifierInfo *CatName, |
| 951 | SourceLocation CatLoc); |
| 952 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 953 | virtual DeclTy *ActOnForwardClassDeclaration(SourceLocation Loc, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 954 | IdentifierInfo **IdentList, |
| 955 | unsigned NumElts); |
Fariborz Jahanian | 894c57f | 2007-09-21 15:40:54 +0000 | [diff] [blame] | 956 | |
Steve Naroff | e440eb8 | 2007-10-10 17:32:04 +0000 | [diff] [blame] | 957 | virtual DeclTy *ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 958 | const IdentifierLocPair *IdentList, |
Steve Naroff | 37e58d1 | 2007-10-02 22:39:18 +0000 | [diff] [blame] | 959 | unsigned NumElts); |
Fariborz Jahanian | 245f92a | 2007-10-05 21:01:53 +0000 | [diff] [blame] | 960 | |
Chris Lattner | e13b959 | 2008-07-26 04:03:38 +0000 | [diff] [blame] | 961 | virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 962 | const IdentifierLocPair *ProtocolId, |
Fariborz Jahanian | 4b6c905 | 2007-10-11 00:55:41 +0000 | [diff] [blame] | 963 | unsigned NumProtocols, |
Chris Lattner | 7caeabd | 2008-07-21 22:17:28 +0000 | [diff] [blame] | 964 | llvm::SmallVectorImpl<DeclTy *> &Protocols); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 965 | |
Daniel Dunbar | 95e61fb | 2008-09-23 21:53:23 +0000 | [diff] [blame] | 966 | /// Ensure attributes are consistent with type. |
| 967 | /// \param [in, out] Attributes The attributes to check; they will |
| 968 | /// be modified to be consistent with \arg PropertyTy. |
| 969 | void CheckObjCPropertyAttributes(QualType PropertyTy, |
| 970 | SourceLocation Loc, |
| 971 | unsigned &Attributes); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 972 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| 973 | ObjCPropertyDecl *SuperProperty, |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 974 | const char *Name); |
Fariborz Jahanian | 02edb98 | 2008-05-01 00:03:38 +0000 | [diff] [blame] | 975 | void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
Fariborz Jahanian | b5e0224 | 2008-04-24 19:58:34 +0000 | [diff] [blame] | 976 | |
Fariborz Jahanian | aebf0cb | 2008-05-02 19:17:30 +0000 | [diff] [blame] | 977 | void MergeProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 978 | DeclTy *MergeProtocols); |
| 979 | |
| 980 | void MergeOneProtocolPropertiesIntoClass(ObjCInterfaceDecl *IDecl, |
| 981 | ObjCProtocolDecl *PDecl); |
| 982 | |
Steve Naroff | 0416fb9 | 2007-11-11 17:19:15 +0000 | [diff] [blame] | 983 | virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl, |
| 984 | DeclTy **allMethods = 0, unsigned allNum = 0, |
| 985 | DeclTy **allProperties = 0, unsigned pNum = 0); |
Fariborz Jahanian | d0b90bf | 2007-09-26 18:27:25 +0000 | [diff] [blame] | 986 | |
Fariborz Jahanian | 1de1e74 | 2008-04-14 23:36:35 +0000 | [diff] [blame] | 987 | virtual DeclTy *ActOnProperty(Scope *S, SourceLocation AtLoc, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 988 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
Fariborz Jahanian | 5251e13 | 2008-05-06 18:09:04 +0000 | [diff] [blame] | 989 | Selector GetterSel, Selector SetterSel, |
Fariborz Jahanian | 46b55e5 | 2008-05-05 18:51:55 +0000 | [diff] [blame] | 990 | tok::ObjCKeywordKind MethodImplKind); |
| 991 | |
Fariborz Jahanian | f624f81 | 2008-04-18 00:19:30 +0000 | [diff] [blame] | 992 | virtual DeclTy *ActOnPropertyImplDecl(SourceLocation AtLoc, |
| 993 | SourceLocation PropertyLoc, |
| 994 | bool ImplKind, DeclTy *ClassImplDecl, |
| 995 | IdentifierInfo *PropertyId, |
| 996 | IdentifierInfo *PropertyIvar); |
| 997 | |
Steve Naroff | bef1185 | 2007-10-26 20:53:56 +0000 | [diff] [blame] | 998 | virtual DeclTy *ActOnMethodDeclaration( |
| 999 | SourceLocation BeginLoc, // location of the + or -. |
| 1000 | SourceLocation EndLoc, // location of the ; or {. |
Fariborz Jahanian | 1f7b6f8 | 2007-11-09 19:52:12 +0000 | [diff] [blame] | 1001 | tok::TokenKind MethodType, |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1002 | DeclTy *ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
Fariborz Jahanian | f1de0ca | 2007-10-31 23:53:01 +0000 | [diff] [blame] | 1003 | Selector Sel, |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1004 | // optional arguments. The number of types/arguments is obtained |
| 1005 | // from the Sel.getNumArgs(). |
Ted Kremenek | a526c5c | 2008-01-07 19:49:32 +0000 | [diff] [blame] | 1006 | ObjCDeclSpec *ArgQT, TypeTy **ArgTypes, IdentifierInfo **ArgNames, |
Steve Naroff | 335eafa | 2007-11-15 12:35:21 +0000 | [diff] [blame] | 1007 | AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| 1008 | bool isVariadic = false); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1009 | |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1010 | // ActOnClassMessage - used for both unary and keyword messages. |
| 1011 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1012 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1013 | virtual ExprResult ActOnClassMessage( |
Fariborz Jahanian | 0523aaf | 2007-11-12 20:13:27 +0000 | [diff] [blame] | 1014 | Scope *S, |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1015 | IdentifierInfo *receivingClassName, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1016 | SourceLocation lbrac, SourceLocation rbrac, |
| 1017 | ExprTy **ArgExprs, unsigned NumArgs); |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1018 | |
| 1019 | // ActOnInstanceMessage - used for both unary and keyword messages. |
| 1020 | // ArgExprs is optional - if it is present, the number of expressions |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1021 | // is obtained from NumArgs. |
Steve Naroff | 68d331a | 2007-09-27 14:38:14 +0000 | [diff] [blame] | 1022 | virtual ExprResult ActOnInstanceMessage( |
Steve Naroff | bcfb06a | 2007-09-28 22:22:11 +0000 | [diff] [blame] | 1023 | ExprTy *receiver, Selector Sel, |
Steve Naroff | 49f109c | 2007-11-15 13:05:42 +0000 | [diff] [blame] | 1024 | SourceLocation lbrac, SourceLocation rbrac, |
| 1025 | ExprTy **ArgExprs, unsigned NumArgs); |
Daniel Dunbar | 4cde927 | 2008-10-14 05:35:18 +0000 | [diff] [blame] | 1026 | |
| 1027 | /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| 1028 | virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| 1029 | IdentifierInfo *Name, |
| 1030 | ExprTy *Alignment, |
| 1031 | SourceLocation PragmaLoc, |
| 1032 | SourceLocation LParenLoc, |
| 1033 | SourceLocation RParenLoc); |
| 1034 | |
Chris Lattner | 1e0a390 | 2008-01-16 19:17:22 +0000 | [diff] [blame] | 1035 | /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| 1036 | /// cast. If there is already an implicit cast, merge into the existing one. |
| 1037 | void ImpCastExprToType(Expr *&Expr, QualType Type); |
| 1038 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1039 | // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1040 | // functions and arrays to their respective pointers (C99 6.3.2.1). |
| 1041 | Expr *UsualUnaryConversions(Expr *&expr); |
Eli Friedman | 3c0eb16 | 2008-05-27 03:33:27 +0000 | [diff] [blame] | 1042 | |
| 1043 | // UsualUnaryConversionType - Same as UsualUnaryConversions, but works |
| 1044 | // on types instead of expressions |
| 1045 | QualType UsualUnaryConversionType(QualType Ty); |
Steve Naroff | c80b4ee | 2007-07-16 21:54:35 +0000 | [diff] [blame] | 1046 | |
| 1047 | // DefaultFunctionArrayConversion - converts functions and arrays |
| 1048 | // to their respective pointers (C99 6.3.2.1). |
| 1049 | void DefaultFunctionArrayConversion(Expr *&expr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1050 | |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1051 | // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| 1052 | // do not have a prototype. Integer promotions are performed on each |
| 1053 | // argument, and arguments that have type float are promoted to double. |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1054 | void DefaultArgumentPromotion(Expr *&Expr); |
Steve Naroff | b291ab6 | 2007-08-28 23:30:39 +0000 | [diff] [blame] | 1055 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1056 | // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| 1057 | // operands and then handles various conversions that are common to binary |
| 1058 | // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| 1059 | // routine returns the first non-arithmetic type found. The client is |
| 1060 | // responsible for emitting appropriate error diagnostics. |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1061 | QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| 1062 | bool isCompAssign = false); |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1063 | |
| 1064 | /// AssignConvertType - All of the 'assignment' semantic checks return this |
| 1065 | /// enum to indicate whether the assignment was allowed. These checks are |
| 1066 | /// done for simple assignments, as well as initialization, return from |
| 1067 | /// function, argument passing, etc. The query is phrased in terms of a |
| 1068 | /// source and destination type. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1069 | enum AssignConvertType { |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1070 | /// Compatible - the types are compatible according to the standard. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1071 | Compatible, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1072 | |
| 1073 | /// PointerToInt - The assignment converts a pointer to an int, which we |
| 1074 | /// accept as an extension. |
| 1075 | PointerToInt, |
| 1076 | |
| 1077 | /// IntToPointer - The assignment converts an int to a pointer, which we |
| 1078 | /// accept as an extension. |
| 1079 | IntToPointer, |
| 1080 | |
| 1081 | /// FunctionVoidPointer - The assignment is between a function pointer and |
| 1082 | /// void*, which the standard doesn't allow, but we accept as an extension. |
Chris Lattner | bfe639e | 2008-01-03 22:56:36 +0000 | [diff] [blame] | 1083 | FunctionVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1084 | |
| 1085 | /// IncompatiblePointer - The assignment is between two pointers types that |
| 1086 | /// are not compatible, but we accept them as an extension. |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1087 | IncompatiblePointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1088 | |
| 1089 | /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| 1090 | /// c/v/r qualifiers, which we accept as an extension. |
| 1091 | CompatiblePointerDiscardsQualifiers, |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1092 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1093 | /// IntToBlockPointer - The assignment converts an int to a block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1094 | /// pointer. We disallow this. |
| 1095 | IntToBlockPointer, |
| 1096 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1097 | /// IncompatibleBlockPointer - The assignment is between two block |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1098 | /// pointers types that are not compatible. |
| 1099 | IncompatibleBlockPointer, |
| 1100 | |
Steve Naroff | bfdcae6 | 2008-09-04 15:31:07 +0000 | [diff] [blame] | 1101 | /// BlockVoidPointer - The assignment is between a block pointer and |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1102 | /// void*, we accept for now. |
| 1103 | BlockVoidPointer, |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1104 | |
Steve Naroff | 3957907 | 2008-10-14 22:18:38 +0000 | [diff] [blame] | 1105 | /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| 1106 | /// id type and something else (that is incompatible with it). For example, |
| 1107 | /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| 1108 | IncompatibleObjCQualifiedId, |
| 1109 | |
Chris Lattner | b7b6115 | 2008-01-04 18:22:42 +0000 | [diff] [blame] | 1110 | /// Incompatible - We reject this conversion outright, it is invalid to |
| 1111 | /// represent it in the AST. |
| 1112 | Incompatible |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1113 | }; |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1114 | |
| 1115 | /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| 1116 | /// assignment conversion type specified by ConvTy. This returns true if the |
| 1117 | /// conversion was invalid or false if the conversion was accepted. |
| 1118 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| 1119 | SourceLocation Loc, |
| 1120 | QualType DstType, QualType SrcType, |
| 1121 | Expr *SrcExpr, const char *Flavor); |
| 1122 | |
| 1123 | /// CheckAssignmentConstraints - Perform type checking for assignment, |
| 1124 | /// argument passing, variable initialization, and function return values. |
| 1125 | /// This routine is only used by the following two methods. C99 6.5.16. |
| 1126 | AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1127 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1128 | // CheckSingleAssignmentConstraints - Currently used by ActOnCallExpr, |
Steve Naroff | 1b273c4 | 2007-09-16 14:56:35 +0000 | [diff] [blame] | 1129 | // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1130 | // this routine performs the default function/array converions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1131 | AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| 1132 | Expr *&rExpr); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1133 | // CheckCompoundAssignmentConstraints - Type check without performing any |
| 1134 | // conversions. For compound assignments, the "Check...Operands" methods |
| 1135 | // perform the necessary conversions. |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1136 | AssignConvertType CheckCompoundAssignmentConstraints(QualType lhs, |
| 1137 | QualType rhs); |
Steve Naroff | 90045e8 | 2007-07-13 23:32:42 +0000 | [diff] [blame] | 1138 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1139 | // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
Chris Lattner | 5cf216b | 2008-01-04 18:04:52 +0000 | [diff] [blame] | 1140 | AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| 1141 | QualType rhsType); |
Steve Naroff | 1c7d067 | 2008-09-04 15:10:53 +0000 | [diff] [blame] | 1142 | |
| 1143 | // Helper function for CheckAssignmentConstraints involving two |
| 1144 | // blcok pointer types. |
| 1145 | AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| 1146 | QualType rhsType); |
Douglas Gregor | 77a5223 | 2008-09-12 00:47:35 +0000 | [diff] [blame] | 1147 | |
| 1148 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
Douglas Gregor | 94b1dd2 | 2008-10-24 04:54:22 +0000 | [diff] [blame] | 1149 | |
| 1150 | bool PerformImplicitConversion(Expr *&From, QualType ToType); |
| 1151 | bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| 1152 | const StandardConversionSequence& SCS); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1153 | |
| 1154 | /// the following "Check" methods will return a valid/converted QualType |
| 1155 | /// or a null QualType (indicating an error diagnostic was issued). |
| 1156 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1157 | /// type checking binary operators (subroutines of ActOnBinOp). |
Chris Lattner | ca5eede | 2007-12-12 05:47:28 +0000 | [diff] [blame] | 1158 | inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1159 | inline QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1160 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1161 | inline QualType CheckRemainderOperands( // C99 6.5.5 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1162 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1163 | inline QualType CheckAdditionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1164 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1165 | inline QualType CheckSubtractionOperands( // C99 6.5.6 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1166 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1167 | inline QualType CheckShiftOperands( // C99 6.5.7 |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1168 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Chris Lattner | a5937dd | 2007-08-26 01:18:55 +0000 | [diff] [blame] | 1169 | inline QualType CheckCompareOperands( // C99 6.5.8/9 |
| 1170 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isRelational); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1171 | inline QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
Steve Naroff | 9f5fa9b | 2007-08-24 19:07:16 +0000 | [diff] [blame] | 1172 | Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1173 | inline QualType CheckLogicalOperands( // C99 6.5.[13,14] |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1174 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1175 | // CheckAssignmentOperands is used for both simple and compound assignment. |
| 1176 | // For simple assignment, pass both expressions and a null converted type. |
| 1177 | // For compound assignment, pass both expressions and the converted type. |
| 1178 | inline QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
Steve Naroff | f1120de | 2007-08-24 22:33:52 +0000 | [diff] [blame] | 1179 | Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1180 | inline QualType CheckCommaOperands( // C99 6.5.17 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1181 | Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1182 | inline QualType CheckConditionalOperands( // C99 6.5.15 |
Steve Naroff | 49b4526 | 2007-07-13 16:58:59 +0000 | [diff] [blame] | 1183 | Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
Nate Begeman | be2341d | 2008-07-14 18:02:46 +0000 | [diff] [blame] | 1184 | |
| 1185 | /// type checking for vector binary operators. |
| 1186 | inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| 1187 | inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| 1188 | SourceLocation l, bool isRel); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1189 | |
Steve Naroff | f69936d | 2007-09-16 03:34:24 +0000 | [diff] [blame] | 1190 | /// type checking unary operators (subroutines of ActOnUnaryOp). |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1191 | /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| 1192 | QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc); |
| 1193 | QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| 1194 | QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
Chris Lattner | bb280a4 | 2008-07-25 21:45:37 +0000 | [diff] [blame] | 1195 | QualType CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| 1196 | const SourceRange &R, bool isSizeof); |
Chris Lattner | 5d79425 | 2007-08-24 21:41:10 +0000 | [diff] [blame] | 1197 | QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc); |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1198 | |
| 1199 | /// type checking primary expressions. |
Nate Begeman | 213541a | 2008-04-18 23:10:10 +0000 | [diff] [blame] | 1200 | QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
Steve Naroff | e1b31fe | 2007-07-27 22:15:19 +0000 | [diff] [blame] | 1201 | IdentifierInfo &Comp, SourceLocation CmpLoc); |
| 1202 | |
Steve Naroff | f009063 | 2007-09-02 02:04:30 +0000 | [diff] [blame] | 1203 | /// type checking declaration initializers (C99 6.7.8) |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1204 | friend class InitListChecker; |
Douglas Gregor | f03d7c7 | 2008-11-05 15:29:30 +0000 | [diff] [blame] | 1205 | bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType, |
| 1206 | SourceLocation InitLoc, std::string InitEntity); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1207 | bool CheckSingleInitializer(Expr *&simpleInit, QualType declType); |
Steve Naroff | d0091aa | 2008-01-10 22:15:12 +0000 | [diff] [blame] | 1208 | bool CheckForConstantInitializer(Expr *e, QualType t); |
Eli Friedman | c594b32 | 2008-05-20 13:48:25 +0000 | [diff] [blame] | 1209 | bool CheckArithmeticConstantExpression(const Expr* e); |
| 1210 | bool CheckAddressConstantExpression(const Expr* e); |
| 1211 | bool CheckAddressConstantExpressionLValue(const Expr* e); |
Steve Naroff | 6594a70 | 2008-10-27 11:34:16 +0000 | [diff] [blame] | 1212 | void InitializerElementNotConstant(const Expr *e); |
Steve Naroff | 2fdc374 | 2007-12-10 22:44:33 +0000 | [diff] [blame] | 1213 | |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1214 | StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType); |
| 1215 | bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT); |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1216 | |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1217 | // type checking C++ declaration initializers (C++ [dcl.init]). |
| 1218 | |
| 1219 | /// ReferenceCompareResult - Expresses the result of comparing two |
| 1220 | /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| 1221 | /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| 1222 | enum ReferenceCompareResult { |
| 1223 | /// Ref_Incompatible - The two types are incompatible, so direct |
| 1224 | /// reference binding is not possible. |
| 1225 | Ref_Incompatible = 0, |
| 1226 | /// Ref_Related - The two types are reference-related, which means |
| 1227 | /// that their unqualified forms (T1 and T2) are either the same |
| 1228 | /// or T1 is a base class of T2. |
| 1229 | Ref_Related, |
| 1230 | /// Ref_Compatible_With_Added_Qualification - The two types are |
| 1231 | /// reference-compatible with added qualification, meaning that |
| 1232 | /// they are reference-compatible and the qualifiers on T1 (cv1) |
| 1233 | /// are greater than the qualifiers on T2 (cv2). |
| 1234 | Ref_Compatible_With_Added_Qualification, |
| 1235 | /// Ref_Compatible - The two types are reference-compatible and |
| 1236 | /// have equivalent qualifiers (cv1 == cv2). |
| 1237 | Ref_Compatible |
| 1238 | }; |
| 1239 | |
Douglas Gregor | 15da57e | 2008-10-29 02:00:59 +0000 | [diff] [blame] | 1240 | ReferenceCompareResult CompareReferenceRelationship(QualType T1, QualType T2, |
| 1241 | bool& DerivedToBase); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1242 | |
| 1243 | bool CheckReferenceInit(Expr *&simpleInit_or_initList, QualType &declType, |
Douglas Gregor | 225c41e | 2008-11-03 19:09:14 +0000 | [diff] [blame] | 1244 | ImplicitConversionSequence *ICS = 0, |
| 1245 | bool SuppressUserConversions = false); |
Douglas Gregor | 27c8dc0 | 2008-10-29 00:13:59 +0000 | [diff] [blame] | 1246 | |
Argyrios Kyrtzidis | 6c2dc4d | 2008-08-16 20:27:34 +0000 | [diff] [blame] | 1247 | /// CheckCastTypes - Check type constraints for casting between types. |
Daniel Dunbar | 58d5ebb | 2008-08-20 03:55:42 +0000 | [diff] [blame] | 1248 | bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr); |
Steve Naroff | a49e1fa | 2008-01-22 00:55:40 +0000 | [diff] [blame] | 1249 | |
Anders Carlsson | 584b247 | 2007-11-27 07:16:40 +0000 | [diff] [blame] | 1250 | // CheckVectorCast - check type constraints for vectors. |
| 1251 | // Since vectors are an extension, there are no C standard reference for this. |
| 1252 | // We allow casting between vectors and integer datatypes of the same size. |
Anders Carlsson | a64db8f | 2007-11-27 05:51:55 +0000 | [diff] [blame] | 1253 | // returns true if the cast is invalid |
| 1254 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty); |
| 1255 | |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1256 | /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| 1257 | /// \param Method - May be null. |
| 1258 | /// \param [out] ReturnType - The return type of the send. |
| 1259 | /// \return true iff there were any incompatible types. |
Daniel Dunbar | 91e19b2 | 2008-09-11 00:50:25 +0000 | [diff] [blame] | 1260 | bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
Daniel Dunbar | 637cebb | 2008-09-11 00:01:56 +0000 | [diff] [blame] | 1261 | ObjCMethodDecl *Method, const char *PrefixStr, |
| 1262 | SourceLocation lbrac, SourceLocation rbrac, |
| 1263 | QualType &ReturnType); |
Argyrios Kyrtzidis | 5921093 | 2008-09-10 02:17:11 +0000 | [diff] [blame] | 1264 | |
| 1265 | /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| 1266 | bool CheckCXXBooleanCondition(Expr *&CondExpr); |
Steve Naroff | 81bfde9 | 2007-10-16 23:12:48 +0000 | [diff] [blame] | 1267 | |
Chris Lattner | f4021e7 | 2007-08-23 05:46:52 +0000 | [diff] [blame] | 1268 | /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| 1269 | /// the specified width and sign. If an overflow occurs, detect it and emit |
| 1270 | /// the specified diagnostic. |
| 1271 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| 1272 | unsigned NewWidth, bool NewSign, |
| 1273 | SourceLocation Loc, unsigned DiagID); |
| 1274 | |
Chris Lattner | eca7be6 | 2008-04-07 05:30:13 +0000 | [diff] [blame] | 1275 | bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, |
| 1276 | bool ForCompare); |
| 1277 | |
Anders Carlsson | 1528145 | 2008-11-04 16:57:32 +0000 | [diff] [blame] | 1278 | /// Checks that the Objective-C declaration is declared in the global scope. |
| 1279 | /// Emits an error and marks the declaration as invalid if it's not declared |
| 1280 | /// in the global scope. |
| 1281 | bool CheckObjCDeclScope(Decl *D); |
| 1282 | |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1283 | void InitBuiltinVaListType(); |
Eli Friedman | 1b76ada | 2008-06-03 21:01:11 +0000 | [diff] [blame] | 1284 | |
| 1285 | // Helper method to turn variable array types into |
| 1286 | // constant array types in certain situations which would otherwise |
| 1287 | // be errors |
| 1288 | QualType TryFixInvalidVariablyModifiedType(QualType T); |
Anders Carlsson | 7c50aca | 2007-10-15 20:28:48 +0000 | [diff] [blame] | 1289 | |
Chris Lattner | 59907c4 | 2007-08-10 20:18:51 +0000 | [diff] [blame] | 1290 | //===--------------------------------------------------------------------===// |
| 1291 | // Extra semantic analysis beyond the C type system |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1292 | private: |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1293 | Action::ExprResult CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1294 | bool CheckBuiltinCFStringArgument(Expr* Arg); |
| 1295 | bool SemaBuiltinVAStart(CallExpr *TheCall); |
| 1296 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
Eli Friedman | 6cfda23 | 2008-05-20 08:23:37 +0000 | [diff] [blame] | 1297 | bool SemaBuiltinStackAddress(CallExpr *TheCall); |
Eli Friedman | d38617c | 2008-05-14 19:38:39 +0000 | [diff] [blame] | 1298 | Action::ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
Daniel Dunbar | 4493f79 | 2008-07-21 22:59:13 +0000 | [diff] [blame] | 1299 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
Daniel Dunbar | d5f8a4f | 2008-09-03 21:13:56 +0000 | [diff] [blame] | 1300 | bool SemaBuiltinObjectSize(CallExpr *TheCall); |
Chris Lattner | 925e60d | 2007-12-28 05:29:59 +0000 | [diff] [blame] | 1301 | void CheckPrintfArguments(CallExpr *TheCall, |
| 1302 | bool HasVAListArg, unsigned format_idx); |
Ted Kremenek | 06de276 | 2007-08-17 16:46:58 +0000 | [diff] [blame] | 1303 | void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| 1304 | SourceLocation ReturnLoc); |
Ted Kremenek | 588e5eb | 2007-11-25 00:58:00 +0000 | [diff] [blame] | 1305 | void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1306 | }; |
| 1307 | |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1308 | class InitListChecker { |
| 1309 | Sema *SemaRef; |
| 1310 | bool hadError; |
| 1311 | |
| 1312 | void CheckImplicitInitList(InitListExpr *ParentIList, QualType T, |
| 1313 | unsigned &Index); |
Steve Naroff | a647caa | 2008-05-06 00:23:44 +0000 | [diff] [blame] | 1314 | void CheckExplicitInitList(InitListExpr *IList, QualType &T, |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1315 | unsigned &Index); |
| 1316 | |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1317 | void CheckListElementTypes(InitListExpr *IList, QualType &DeclType, |
| 1318 | unsigned &Index); |
| 1319 | void CheckSubElementType(InitListExpr *IList, QualType ElemType, |
| 1320 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1321 | // FIXME: Does DeclType need to be a reference type? |
| 1322 | void CheckScalarType(InitListExpr *IList, QualType &DeclType, |
| 1323 | unsigned &Index); |
| 1324 | void CheckVectorType(InitListExpr *IList, QualType DeclType, unsigned &Index); |
| 1325 | void CheckStructUnionTypes(InitListExpr *IList, QualType DeclType, |
Eli Friedman | b85f707 | 2008-05-19 19:16:24 +0000 | [diff] [blame] | 1326 | unsigned &Index); |
Steve Naroff | 0cca749 | 2008-05-01 22:18:59 +0000 | [diff] [blame] | 1327 | void CheckArrayType(InitListExpr *IList, QualType &DeclType, unsigned &Index); |
| 1328 | |
| 1329 | int numArrayElements(QualType DeclType); |
| 1330 | int numStructUnionElements(QualType DeclType); |
| 1331 | public: |
| 1332 | InitListChecker(Sema *S, InitListExpr *IL, QualType &T); |
| 1333 | bool HadError() { return hadError; } |
| 1334 | }; |
| 1335 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1336 | /// BlockSemaInfo - When a block is being parsed, this contains information |
| 1337 | /// about the block. It is pointed to from Sema::CurBlock. |
| 1338 | struct BlockSemaInfo { |
| 1339 | llvm::SmallVector<ParmVarDecl*, 8> Params; |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1340 | bool hasPrototype; |
| 1341 | bool isVariadic; |
| 1342 | |
Steve Naroff | 1c90bfc | 2008-10-08 18:44:00 +0000 | [diff] [blame] | 1343 | BlockDecl *TheDecl; |
| 1344 | |
Steve Naroff | 4eb206b | 2008-09-03 18:15:37 +0000 | [diff] [blame] | 1345 | /// TheScope - This is the scope for the block itself, which contains |
| 1346 | /// arguments etc. |
| 1347 | Scope *TheScope; |
| 1348 | |
| 1349 | /// ReturnType - This will get set to block result type, by looking at |
| 1350 | /// return types, if any, in the block body. |
| 1351 | Type *ReturnType; |
| 1352 | |
| 1353 | /// PrevBlockInfo - If this is nested inside another block, this points |
| 1354 | /// to the outer block. |
| 1355 | BlockSemaInfo *PrevBlockInfo; |
| 1356 | }; |
| 1357 | |
Reid Spencer | 5f016e2 | 2007-07-11 17:01:13 +0000 | [diff] [blame] | 1358 | |
| 1359 | } // end namespace clang |
| 1360 | |
| 1361 | #endif |